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Class Information
Number: 514/266.3
Name: Drug, bio-affecting and body treating compositions > Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,3-diazines (e.g., pyrimidines, etc.) > Polycyclo ring system having 1,3-diazine as one of the cyclos > Bicyclo ring system having the 1,3-diazine as one of the cyclos > Quinazoline (including hydrogenated)(i.e., the second cyclo in the bicyclo ring system is an ortho-fused six-membered carbocycle) > Chalcogen bonded directly to a ring carbon of the 1,3-diazine ring of the quinazoline ring system
Description: Subject matter wherein a ring carbon of the 1,3-diazine ring of the quinazoline ring system is directly bonded to a chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

Sub-classes under this class:

Class Number Class Name Patents
514/266.31 Carbocyclic ring bonded directly to a ring carbon of the quinazoline ring system 101

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8658656 Methods and compositions utilizing quinazolinones Feb. 25, 2014
8633211 Bicyclic organic compounds suitable for the treatment of inflammatory or allergic conditions Jan. 21, 2014
8623884 Quinazolinedione derivatives as PARP inhibitors Jan. 7, 2014
8609674 Potassium channel modulators Dec. 17, 2013
8609667 E-type phenyl acrylic ester compounds containing substituted anilino pyrimidine group and uses thereof Dec. 17, 2013
8586597 6-fluoro-3-phenyl-2-[1-(9H-purin-6-ylamino)ethyl]-3H-quinazolin-4-one as an inhibitor of human phosphatidylinositol 3-kinase delta Nov. 19, 2013
8575185 Compositions, synthesis, and methods of utilizing quinazolinedione derivatives Nov. 5, 2013
8551950 Method of treatment or prophylaxis of inflammatory pain Oct. 8, 2013
8552015 Quinazolinone derivatives and their use as CB agonists Oct. 8, 2013
8524721 Platelet ADP receptor inhibitors Sep. 3, 2013
8518960 Antiviral drugs for treatment or prevention of dengue infection Aug. 27, 2013
8518441 Solid dispersions or solid dispersion pharmaceutical preparations of phenylalanine derivatives Aug. 27, 2013
8513268 1H-quinazoline-2,4-diones processes for their production, pharmaceutical compositions, and treatment for epilepsy Aug. 20, 2013
8507502 Fused bicyclic and tricyclic pyrimidine compounds as tyrosine kinase inhibitors Aug. 13, 2013
8475776 Compositions and methods to treat diseases characterized by cellular proliferation and angiogenesis Jul. 2, 2013
8470838 Methods and compositions utilizing quinazolinones Jun. 25, 2013
8445491 Wnt protein signalling inhibitors May. 21, 2013
8431585 Use of inhibitors of the EGFR-mediated signal transduction for the treatment of benign prostatic hyperplasia (BPH)/prostatic hypertrophy Apr. 30, 2013
8372856 Hydrates of erlotinib hydrochloride Feb. 12, 2013
8349852 Quinazolinone derivatives useful as vanilloid antagonists Jan. 8, 2013
8349857 Quinazoline derivatives having tyrosine kinase inhibitory activity Jan. 8, 2013
8349850 Heterocyclic compounds and uses thereof in the treatment of sexual disorders Jan. 8, 2013
8329713 Fused ring heterocycles as potassium channel modulators Dec. 11, 2012
8309561 Phenylalanine derivatives Nov. 13, 2012
8299085 Quinazoline derivatives Oct. 30, 2012
8268844 Crystals of isopropyl ester of N-(2,6-dichlorobenzoyl)-4-[6-(methylamino)methyl-1-methyl-2,4-dioxo-1,4-d- ihydroquinazoline-3(2H)-yl]-l-phenylalanine hydrochloride, production method thereo Sep. 18, 2012
8268843 5,8-difluoro-4-(2-(4-(heteroaryloxy)-phenyl)ethylamino)quinazolines and their use as agrochemicals Sep. 18, 2012
8268842 Fused ring 4-oxopyrimidine derivative Sep. 18, 2012
8242126 Quinazolinedione derivatives, preparation thereof and therapeutic uses thereof Aug. 14, 2012
8232285 Quinazolinone compounds and methods of use thereof Jul. 31, 2012
8222264 Substituted amino-quinazolinones, medicaments comprising said compound, their use and their method of manufacture Jul. 17, 2012
8211901 Naphthamide derivatives as multi-target protein kinase inhibitors and histone deacetylase inhibitors Jul. 3, 2012
8211902 Quinazolinone derivatives useful as vanilloid antagonists Jul. 3, 2012
8202879 Quinazoline derivatives having tyrosine kinase inhibitory activity Jun. 19, 2012
8188103 Substituted 2-alkyl quinazolinone derivatives as PARP inhibitors May. 29, 2012
8178544 2, 3-diamino-quinazolinone derivatives and their medical use May. 15, 2012
8101624 Quinazoline derivatives Jan. 24, 2012
8084459 Substituted quinazolinones for treating neurological conditions Dec. 27, 2011
8067436 c-Met modulators and methods of use Nov. 29, 2011
8030320 Derivatives of 1-OXO-1,2-dihydroisoquinoline-5-carboxamides and of 4-OXO-3,4-dihydroquinazoline-8-carboxamides, preparation thereof and application thereof in therapeutics Oct. 4, 2011
8012988 N-(2,4-dioxo-6-(tetrahydrofuran-2-yl)-7-(trifluoromethyl)-1,4-dihydro-2H-q- uinazolin-3-yl)methanesulfonamide Sep. 6, 2011
8008311 Methods and compostions utilizing quinazolinones Aug. 30, 2011
7994182 Quinazolinone-derivatives and their use for preparation of pharmaceutical compositions having PARP enzyme inhibitory effect Aug. 9, 2011
7951814 Quinazolinedione derivatives as TRPA1 modulators May. 31, 2011
7951813 Quinazolinone derivatives as ALDH-2 inhibitors May. 31, 2011
7939539 Quinazolinone compounds as anticancer agents May. 10, 2011
7935709 2-quinazolinone compounds and methods of use May. 3, 2011
7928114 Crystalline erlotinib Apr. 19, 2011
7893071 Synthesis and evaluation of novel phthalimide mimics as anti-angiogenic Feb. 22, 2011
7863283 Sulphoximine-substituted quinazoline derivatives as immuno-modulators, their preparation and use as medicaments Jan. 4, 2011

1 2 3 4 5 6

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